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Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane